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Finding the Fourth Proportional to 9,571.10, 14,350.78 and 3,720.88

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Solution

The fourth proportional to 9,571.10, 14,350.78 and 3,720.88 is: 5,579.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,571.10 : 14,350.78 = 3,720.88 : x
  2. Step 2: Convert to fraction form
    9,571.10/14,350.78 = 3,720.88/x
  3. Step 3: Cross multiply
    9,571.10x = 14,350.78 × 3,720.88
  4. Step 4: Simplify right side
    9,571.10x = 53,397,530.29
  5. Step 5: Solve for x
    x = 53,397,530.29/9,571.10
  6. Step 6: Final answer
    x = 5,579.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.